#include <iostream>
#include <bits/stdc++.h>
using namespace std;

int main() {
  vector<int> vec;
  vector<int>* ptr = &vec;
  (*ptr).push_back(100);
  ptr->push_back(2);

  vector<int>::iterator iter = vec.begin();
  ++iter;
  cout << "\"解引用\": " << *iter << endl;
  cout << "vector 最大值: " << *max_element(vec.begin(), vec.end()) << endl;
  int arr[] = {1, 200, 3};
  cout << "数组最大值: " << *max_element(arr, arr + 3) << endl;
}